Structure at include/linux/input/mt.h, line 119 References: drivers/input/input-mt.c, line 364 drivers/input/input-mt.c, line 367 drivers/input/input-mt.c, line 441 drivers/input/keyboard/applespi.c, line 388 drivers/input/keyboard/applespi.c, line 1014 drivers/input/mouse/bcm5974.c, line 287 drivers/input/mouse/bcm5974.c, line 565 drivers/input/mouse/cypress_ps2.c, line 520 drivers/input/touchscreen/of_touchscreen.c, line 172 drivers/input/touchscreen/silead.c, line 74 drivers/input/touchscreen/st1232.c, line 133